Den här rapporten beskriver arbetet och utförda studier inom området kryptering och VPN. Fokus ligger på hur väl krypteringsalgoritmerna Triple Data Encryption Standard (3DES) och Advanced Encryption Standard (AES) skalar i en förutbestämd miljö. Huvudfokus har varit att svara på frågan: Vilken av krypteringsalgoritmerna AES och 3DES kräver minst systemresurser? Under utbildningstiden har det flera gånger framförts att 3DES-algoritmen skulle vara mer krävande för krypteringsenheterna att utföra jämfört med AES. Denna rapport söker finna om det är så det förhåller sig och i så fall hur stor skillnaden är mellan algoritmerna.

This paper describes and develops a trade off model of optimal capital structure by Bradley et al. (1984). The model is then tested to examine how changes in corporate tax rates affect the optimal capital structure of firms. Based on theoretical implications of the model, four hypotheses are derived stating that firms? optimal debt-to-value ratio is (1) negatively related to financial distress costs, (2) negatively related to non-debt tax shields, (3) negatively related to firm volatility and (4) positively related to the corporate tax rate.

Många utav de krav som idag utformas uppfyller inte kriterierna för att vara högkvalitativa. Denna undersökning behandlar hur användbarhetskrav formuleras i kravspecifikationer. Vi har i vår undersökning utgått ifrån en internationell standard (ISO/IEC/IEEE-29148), som innehåller kriterier för hur både individuella och uppsättningar av krav ska formuleras, som teoretisk modell. Dessa kriterier har vi forskningsförankrat genom att studera vad andra forskare sagt om dessa och därefter har vi använt modellen för att genomföra en dokumentanalys av fem olika kravspecifikationer för fem olika informationssystem. Våra slutsatser påvisar att det kan finnas en brist på kunskap kring hur krav bör formuleras i en kravspecifikation och vi belyser även de samband som finns mellan olika grader av uppfyllelse för kriterier hämtade från ISO/IEC/IEEE-standarden och praktiken.

The Authorities attitudes towards Gypsies have been characterized by prejudice for a long time. This has lead to the relief actions of the Authorities being formed by discriminating acts. In purpose of eliminating the discrimination of the Gypsies, the Delegation for Gypsy matters formulated a strategy for solving this problem in the report ?Gypsy rights ? a strategy for Gypsies in Sweden?. Despite the goodwill of the Authorities this report has been criticized by Gypsies in Sweden. In the investigation of the derivation of this criticism the aim of this essay is to look at how the Authorities attitude towards Gypsies is shown in this report and how it affects the creation of their ethos.

Background: The standard of living should be the same for everyone, whether the apartment is placed in an old or new building. The residential properties that were built from 1965 until 1974 is now beginning to become old and in need of restoration. The financial crisis during the nineties contributed to the lack of maintenance on the buildings in Sweden. As the public buildings gets older more and more defects occurs. The coordination and maintenance will therefore have a more significant role in the housing company ?s work.The increasing interest about how old a building can be, attract much attention.

The housing estates in the outskirts of Sandviken, consist of relatively large scale apartment buildings. This report, that is a B.A. thesis at 10 Swedish university points, aims to investigate and describe the opportunities to improve safety and security for inhabitants in Norra Björksätra. The purpose with this report is to make Norra Björksätra to a more attractive place to live in, by changing the negative trends in the area. Since demolition of at least some of the houses could be of current interest in some years; the purpose is also to investigate whether demolition or renewal of the area is the best solution.

Inspections within the building industry are surrounded by a rigorous set of rules presented in AB 04 and ABT 94. There are several types of inspections but the final inspection has the biggest legal implications and is important in many aspects, since it?s the one that ends the contract time for the contract i.e. when the contract is passed on from contractor to the client. It is also a confirmation on how the contract has been carried out and that the potential guarantee times after the contract will start to apply. The objective of the following report is to find out what different types of inspections there are as well as a legal understanding about what happens before, during and above all after the final inspection.

Title: The appraiser?s choice of valuation method ? factors that influences the choice of company valuation methodsSeminar date: 04/06/07Course: Master thesis in Business Administration, 10 Swedish credits.Authors: Anne Benedicks and Veronica ÖbergAdvisor: Eron OxingProfession of category: Financial analysts, auditors and company lawyers.Key words: Company valuation, valuation methods, cash flow analysis, comparative valuation, the net asset value method.The Main Issue: What is of decisive importance when choosing a special company valuation method?Purpose: The purpose of this paper is to identify, analyse and evaluate the most common methods of valuation for financial analysts, auditors and company lawyers and those factors that influences the choice of method.Method: A multiple survey has been implemented for the actual profession categories. Primary data was collected through semi-structured interviews and a questionnaire survey.Theoretical: The theoretical frame of reference is based upon the paper?s dependent variable, i.e. the role of the appraiser.

Modelling of pollutants is commonly used in research and at departments working with environmental issues. The need to use large amounts of data when modelling creates the opportunity for more generalised models with lower data demands. Aggregating functions into coarser elements is a sort of generalisation of actual features in nature.A development of a method and a modelling tool called ?KadmiumKalkylatorn? has been performed to model cadmium pollution in rivers in Skåne, Sweden. The water runoff has been multiplied with cadmium standard concentrations based on membership in landuse classes.

The goal of this project was to make the requirement process at the Swedish Coastguard more effective. The first step to achieve this was done by locating bottle necks in the process with value stream mapping method. The result of this study showed that the biggest restriction in the requirement process was while examining older requirement documents to understand what elements were suitable for the particular project. This was followed by a study of literature, interviews and theory of Lean Production with the ambition to investigate how the requirement process was handled on other companies and how to improve the process on the Swedish coast guard. This led to a number of potential enhancements of the process which later was evaluated.

This thesis engages the topic of test methods for wood adhesives. Two test methods were evaluated, EN 302-1, a European standard, and ASTM D905, an American standard. The total amount of specimens manufactured and tested was more than 500. The adhesive bonds were tested in shear with an increasing load on the specimen until failure.The adhesives used were epoxy-resin, phenol-resorcinol-formaldehyde and a 2-K polyurethane. The test programme included five different types of intentional errors per method, in order to investigate the sensitivity of the test methods.

The city of Kalmar has a desire that their 3D maps of the city should come to a greater use and get residents more involved in Kalmar city. The purpose of this report is to show one way to work with these 3D maps when it comes to presenting information about Kalmar for its residents and tourists in a specific area.  The report also includes information about advantages and disadvantages with the use of 2D and 3D maps in different environments. Various reports and other sources indicate an interest in 3D and a use for this, but even that 2D is still seen as a natural way to read a map. By collecting information from relevant literature, interviews and user testing, the group has obtained sufficient background information to present the results of a web site, where the visitor can navigate in both 2D and 3D in a specific area of Kalmar. User tests and surveys have been conducted in two rounds and the web site has been revised after their results..

The aim of this report is to improve the fire safety at Hallsta Paper Mill in Hallstavik, Sweden. In order to do so large parts of a fire-protection management system for the paper mill has been created. The report begins with giving a general description of management structures and fire-protection management systems. An account is given for how management structures are designed, and how they should be implemented, maintained and updated. Thereafter follows a description of what routines and instructions should be included in a fire-protection management system..

During the past years Building Information Modelling (BIM), which is a digital way to work, has begun to spread amongst the parts of the construction process. At the construction phase the larger companies has started using the new way to work. This expansion has not been developed amongst smaller companies leading to the purpose of this report, to investigate in which ways the smaller companies can implement BIM by changing their way to work. The thesis is delimited to work preperations with the objective to define how the work preperations should be structured to enable the implementation of BIM. To achieve the objective of the report, information about the subject has been collected by interviews and literature studies.

In this report a model was constructed in order to determine how a number of covariates influence the gross domestic product, GDP. The covariates were chosen depending on their expected influence on GDP, for example education and life expectancy. The data used in this report are collected from the World Bank. The model to describe GDP has been calculated using multiple line arregression. In order to reach a reliable final model the number of covariates has been gradually decreased to eliminate insignificant covariates.